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Sr Engineer Process

Job in Downers Grove, DuPage County, Illinois, 60515, USA
Listing for: Zachry Group
Full Time position
Listed on 2026-06-27
Job specializations:
  • Engineering
    Process Engineer, Environmental Engineer, Chemical Engineer
Job Description & How to Apply Below

Senior Process Engineer

Zachry Group is currently accepting applications for a Senior Process Engineer in our Downers Grove Engineering Design Center. Successful candidate will be responsible for leading a team supporting process engineering and design tasks for assigned projects.

Responsibilities

• Responsible for developing process flow diagrams (PFD) and piping & instrumentation diagrams (P&).
• Responsible for sizing and rating various equipment like pumps, horizontal and vertical vessels, heat exchangers, and air coolers.
• Responsible for performing hydraulic analysis and calculations for piping systems. Experience to include evaluating systems involving single phase, two phase, slurries, water hammer, slug flow, and distribution networks. Tools required should range from spreadsheet through rigorous software evaluations.
• Capable of supervising, coordinating, and reviewing work of a small staff of engineers to accomplish project objectives.
• Mentors younger engineers, leading by example. Supports department development initiatives and standards creation/review/update.
• Participate in various client Process Hazard Analysis reviews (i.e. risk review, HAZID, HAZOP/LOPA).
• Responsible for design of relief system, flare header design, relief valve sizing and performing contingency analysis and flare header analysis.• ‎Evaluates, ‎selects, ‎and applies standard engineering techniques, ‎procedures, and criteria, ‎using judgment in making adaptations and modifications.
• Present technical information to peers (internal or external) for review and comment.
• Analyze problems and take appropriate action to ensure continuous and reliable operation of equipment and systems.
• Evaluate equipment and processes to ensure compliance with safety and environmental regulations.
• Estimate resource requirements of new project proposals in support of business development.
• Other duties, as assigned.

Qualifications

• Bachelor's Degree in Chemical Engineering
• 15+ years of experience working as a Process Engineer within the Energy & Chemical Industries
• Experience applying standard engineering techniques, ‎procedures, and criteria to ensure compliance with safety and environmental regulations.
• Experience in PFD and P&t, and participation in HAZOP/LOPA studies
• Proficient in H&MB development, equipment and instrumentation process specification and performing hydraulic analysis
• Strong knowledge of ASME and API 520/521 with proficiency designing relief devices and associated collection headers
• Good Communication Skills (Active Listening, Verbal, and Written)
• Ability to adapt to changing client requirements while defining a new path and remaining a positive role model for the team
• Excellent Attention to Detail – in own work as well as demonstrated in checking work of others
• Proven history of meeting schedule commitments and planning resources required
• Judgment and Decision Making
• Proficient with Process Engineering Software (Aspen Tech or equivalent)
• Strong desire to learn

PREFERRED QUALIFICATIONS
• Licensed Professional Engineer
• Experience as a Process Engineer in the gas processing and/or refining industries
• Experience in Food and Beverage Industry
• Experience in gas purification technologies such as Pressure Swing Adsorption, Membrane separation, or others
• Knowledge and/or experience in blue and/or green ammonia
• Experience integrating emerging/renewable energy with hydrogen production technologies
• Experience with hydrogen fuel blending in combustion processes
• Experience specifying process equipment in cryogenic services including cold box heat exchangers and pumps
• Experience with designing OSBL/Utility scopes required to support Licensor provided ISBL packages
• Past exposure to environmental permitting and citing studies

PHYSICAL DEMANDSEmployee will be required to communicate in person, via telephone, email, use of arm/hand steadiness, manual dexterity, finger dexterity, multi limb coordination, oral expression, and comprehension. May be required to lift, carry, and move objects safely.

WORK ENVIRONMENTWill work in a general office environment. Capable of operating and functioning in a fast-paced work…

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